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Mainframe computers are often used as servers. The term mainframe was derived from the large cabinet, called a main frame, [2] that housed the central processing unit and main memory of early computers. [3] [4] [5] Later, the term mainframe was used to distinguish high-end commercial computers from less powerful machines. [6]
ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [ 3 ] [ 4 ] Other computers had some of these features, but ENIAC was the first to have them all.
IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
A month later, they renamed their next project to "the UNIVAC." Later in October of that year, the duo drafted U.S. patent 2,629,827, which was a mercury acoustic delay-line electronic memory system. [8] The patent was eventually accepted in February 1953 as the "first device to gain widespread acceptance as a reliable computer memory system."
Ken Olsen, the MIT-educated inventor who started Digital Equipment Corp. with $70,000 in venture capital in the 1950s and built it into a company with billions of dollars in sales and more than ...
The first experimental system went live in 1960 and the system took over all booking functions in 1964 – in both cases using IBM 7090 mainframes. In the early 1960s IBM undertook similar projects for other airlines and soon decided to produce a single standard booking system, PARS , to run on System/360 computers.
The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, [1] and delivered between 1965 and 1978. [2] System/360 was the first family of computers designed to cover both commercial and scientific applications and a complete range of applications from small to large.
Mark Dean, an African-American computer scientist and engineer, spent over 30 years at IBM pursuing the Next Big Thing. ... laid the groundwork for color PC monitors and led the team that created ...